GB/T 45513-2025 Textiles - Determination of the degree of fiber loss of fabrics - Washing method
1 Scope
This document describes a test method for determining the degree of fiber loss of fabrics by the washing method.
This document is applicable to all kinds of fabrics.
2 Normative References
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GB/T 24118-2009 Textiles - Stitch types - Classification and terminology
FZ/T 80003-2006 Textiles and garments - Seam types - Classification and terminology
3 Terms and Definitions
No terms and definitions are listed in this document.
4 Principle
The sample is placed in a certain amount of Grade 3 water, washed by mechanical action in an accelerated way at the specified temperature in the required time; the sample and the washing container are rinsed with water and the water is collected, and the fiber in the Grade 3 water and the washing water are collected on the filter material by a filter device and dried; the filter material loaded with fiber is visually graded to characterize the degree of fiber loss of the sample.
5 Equipment
5.1 Mechanical washing device: It consists of a water bath pot equipped with a rotating shaft. Several stainless steel washing containers (5.2) are supported radially by the rotating shaft. The rotational speed of the rotating shaft and the containers is (40±2) r/min. The temperature of the water bath is controlled by a thermostat to keep the test solution at (40±2) °C (see Figure 1).
Other mechanical devices capable of obtaining the same results as the equipment specified in 5.1 may also be used in this document.
Contents
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Principle
5 Equipment
6 Reagents and materials
7 Specimen preparation
8 Test procedure
9 Grading
10 Test report
Annex A (Informative) Schematic diagram of degree of hair loss grading
Bibliography
